Powered knife sharpener



FIG. 1 is a front perspective view of a powered knife sharpener;

FIG. 2 is a front elevation view thereof;

FIG. 3 is an enlarged rear elevation view thereof;

FIG. 4 is a reduced left side elevation view thereof;

FIG. 5 is a reduced right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines depict portions of the powered knife sharpener in which the design is embodied that are not considered part of the claimed design. 

CLAIM The ornamental design for a powered knife sharpener, as shown and described. 